Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
4 citations
,
November 2018 in “JAAD case reports” Alopecia areata can sometimes appear as a straight line of hair loss instead of round patches.
4 citations
,
April 2024 in “Clinical Cosmetic and Investigational Dermatology” Trichoscopy helps distinguish between scalp Discoid Lupus Erythematosus and Lichen Planopilaris for accurate diagnosis and treatment.
November 2024 in “Journal of Investigative Dermatology” Hair evaluation is crucial for early diagnosis and management of ARCI, as hair loss often indicates severity.
2 citations
,
March 1994 in “Oncology Reports” Keratoacanthomas and squamous cell carcinomas have similar keratin patterns, making them hard to tell apart.
A new method using stamps improves symmetry in hair restoration surgery.
July 2023 in “Veterinary pathology” White-tailed deer can get a hair loss condition that might make them more vulnerable to environmental threats.
109 citations
,
April 1997 in “Archives of Dermatological Research” Mast cell and nerve fiber interactions in mouse skin change with the hair cycle.
January 2024 in “Dermatology practical & conceptual” The Peripilar sign does not indicate perifollicular infiltrate in hair loss from Androgenetic Alopecia.
30 citations
,
May 2005 in “Pediatric dermatology” Some families have a genetic condition where they are born with irregular scalp defects.
1 citations
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April 2024 in “Science Advances” Female cuckoo color differences are linked to their unique genes and help avoid male harassment.
October 2025 in “JMIR Dermatology” Exclamation-mark hairs and yellow dots indicate alopecia areata, while follicular ostia loss and white scarring indicate lichen planopilaris and discoid lupus erythematosus.
26 citations
,
February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
December 2023 in “Portuguese journal of dermatology and venereology” Trichoscopy can reliably distinguish between alopecia areata and trichotillomania.
19 citations
,
February 2016 in “Journal of The American Academy of Dermatology” CD3+ T-cell presence is a reliable marker to tell apart alopecia areata from pattern hair loss.
May 2025 in “Journal of Clinical Images and Medical Case Reports” Hair transplants can trigger a rare scarring hair loss that is hard to treat.
27 citations
,
December 2005 in “Journal of Cutaneous Pathology” The malignant pilomatricoma showed strong epithelial keratin expression, suggesting it may not calcify.
January 2022 in “Skin Appendage Disorders” Areata-like lupus can mimic alopecia areata but is a form of cutaneous lupus erythematosus.
April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Gap junctions help control feather pattern formation by enabling cell communication.
20 citations
,
December 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Decreased CD200 in hair follicles may cause immune issues in some alopecia areata cases.
18 citations
,
April 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin patterns are formed by simple reaction-diffusion mechanisms.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
8 citations
,
April 2017 in “American Journal of Dermatopathology” Inflammation may cause nail issues in Cronkhite–Canada Syndrome.
November 2024 in “Chattagram Maa-O-Shishu Hospital Medical College Journal” Identifying alopecia types early is crucial for better treatment and quality of life.
Visible lesions are not always needed to diagnose tinea capitis.
May 2020 in “The Journal of Pediatrics” Tinea capitis can be quickly diagnosed and treated using dermoscopy to prevent hair damage.
October 2025 in “Indian Journal of Dermatology” Dermoscopy can help diagnose tuberous sclerosis by identifying unique skin patterns.
7 citations
,
January 2012 in “International Journal of Trichology” A man with Woolly Hair Syndrome had very curly, fragile hair, and doctors used a special scalp examination to diagnose him without invasive tests.
20 citations
,
September 2018 in “Journal of cutaneous pathology” Different skin diseases show unique patterns of skin cell separation, cell death, and granular layer changes.
30 citations
,
January 1999 in “Journal of Cutaneous Pathology” Spiny keratoderma may be ectopic hair formation on palms and soles.